Error Code AC4
The washer's WiFi module lost communication with the main board
Moderate
Address soon - your appliance may not work properly
Also displayed as: AC4
What This Means
Signals between WiFi Module and main PBAs not sensed due to communication error; Incorrect or loose connector connections between WiFi Module and main PBAs; WiFi Module has faulty soldering
What actually causes this:
The WiFi module connector came loose or the module itself failed
First Thing to Check
Unplug the washer for 60 seconds and plug it back in to reset the electronics
Parts Involved
How to Fix
- 1
1. Check the connector connections between the WiFi Module and main PBAs carefully
- 2
2. Check for incorrect or loose connections
- 3
3. Remove the WiFi Module and check for any faulty soldering
Other Error Codes for WF45K6200AZ
The washer's motor controller lost communication with the main board
The washer's door lock mechanism isn't engaging properly
The washer's vibration sensor board has a problem
The washer's display screen lost communication with the main board
The washer's door relay module lost communication with the main board
Your washer can't tell how much water is inside the tub
Your washer isn't getting enough water to run the cycle
Your washer isn't getting enough electrical power